1.2G 1.5W Wireless Transmitter Receiver Video Audio Synchronous Transmission High Sensitivity Item Type: Wireless Transmitter Receiver Material: Metal Transmitter : Size: Approx. 73 x 41 x 14mm/2.9 x 1.6 x 0.6in Transmitting Power: 1.5W Transmitting Frequency: HC1:1080 HC2:1120 HC3:1160 HC4:1200MHz Frequency Control: Digital frequency phase-locked loop control, lock each lock point. Transmission Signal: Simultaneous transmission of image and sound Transmission Distance: Approx. 1000-2000 metersVoltage: DC+12V Current: 500mA Receiver: Model: FOX-R02Mediation Type: FM Receiving Frequency: 0.9-1.2GHz Receiving Signal: Video and audio, image synchronous transmission Receiving Sensitivity: -85dBm Video Input Level: 1Vp-p Audio Input Level: 1Vp-p Working Temperature: -20-+50℃/-4℉-+122℉ Working Humidity: 85%RH Storage Temperature: -40-+80°C/-40℉-+185℉ Size: Approx. 115 x 60 x 20mm/4.5 x 2.4 x 0.8in Voltage: DC+12V Current: 500mA How e: 1. Connect the transmitter to the camera and power on, and the receiver to the display to power on 2. Adjust the frequency to be consistent, and it can be used normally within the effective distance after displaying the image.